Closed-loop hydraulic adjustable slip differential

Details Closed-loop hydraulic adjustable slip differential Closed-loop hydraulic adjustable slip differential

2006-04-11

2006-04-11

Marmor, Charles A (Department: 3681)

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Control of differential planetary gearing

C475S090000, C475S089000

Reexamination Certificate

active

07025700

ABSTRACT:
A vehicle differential which includes an integral positive displacement pump, along with adjustable fluid controls and a movable surface for holding fluid controls in position, infinitely from full open to full closed, where as relative rotation of differential half-axles and side gears would cause positive displacement pump to force fluid past fluid controls and position of fluid controls would restrict the fluid flow thus effectively limiting the “slip” of the differential.

REFERENCES:
patent: 3831461 (1974-08-01), Mueller
patent: 4272993 (1981-06-01), Kopich
patent: 4630505 (1986-12-01), Williamson
patent: 5024634 (1991-06-01), Blessing
patent: 5232410 (1993-08-01), Yanai
patent: 6505722 (2003-01-01), Ganthev

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